X0202 4 2005-04-29 0001057058 WASTE CONNECTIONS INC/DE WCN 0001064310 DUPREAU EUGENE V 35 IRON POINT CIRCLE SUITE 200 FOLSOM CA 95630 1 0 0 0 Common Stock 2005-04-29 4 M 0 17104 18.53 A 157446 D Common Stock 2005-04-29 4 S 0 17104 35.2468 D 140342 D Employee Stock Option (Right to Buy) 18.53 2005-04-29 4 M 0 17104 0 D 2003-07-18 2012-07-18 Common Stock 17104 17105 D Option for 51,314 shares, 1/3 exercisable 7/18/03, 7/18/04 & 7/18/05 The zero in table 2 item 8 is a placeholder only that is required by the EDGAR software and should be disregarded. This option was previously reported as an option for 34,209 shares of common stock at an exercise price of $27.80 per share, but was adjusted to reflect the 50% stock dividend declared by WCI on May 26, 2004, which was payable on June 24, 2004, to all holders of record of common stock on June 10, 2004. Accordingly, on June 10, 2004. Accordingly, on June 24, 2004, the date the stock dividend was paid, the option became exerciable for 51,314 shares at an exercise price of $18.53 per share. Eugene Dupreau 2005-05-03